--- a/src/filters/ppt-dump.py
+++ b/src/filters/ppt-dump.py
@@ -1,9 +1,13 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 #
 # This Source Code Form is subject to the terms of the Mozilla Public
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #
+
+# mso-dumper is not compatible with python3
+
+from __future__ import print_function
 
 import sys, os.path, getopt
 sys.path.append(sys.path[0]+"/msodump.zip")
@@ -21,7 +25,7 @@
   --no-raw-dumps suppress raw hex dumps of uninterpreted areas
   --id-select=id1[,id2 ...] limit output to selected record Ids
 """ % exname
-    print msg
+    print(msg)
 
 
 class PPTDumper(object):